Using Bluetooth to control a NeoPixel LED strip

Using Bluetooth to control a NeoPixel LED strip
This is the first try of using the latest Bluetooth SoC from Nordic Semiconductor to drive a NeoPixel LED strip composed of 12 WS2812b LEDs. WS2812b LEDs are full color LEDs that can be controlled individually via one single wire, also known as NeoPixel LEDs. I am not going to cover a lot of details ...

Air Quality Monitor

Air Quality Monitor
One thing about having to live in a city is to watch out for the air quality, a more beautiful phrase for air pollution. There are a lot of things inside the air that affect itsĀ overall quality. Pollutant is one of those things. There are different kind of pollutants in the air, including natural and ...